Re: filesystem corrupt - error -117

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

On 2021/10/25 18:53, Qu Wenruo wrote:
>
>
> On 2021/10/25 16:46, Mia wrote:
>> Hello,
>> I need support since my root filesystem just went readonly :(
>>
>> [641955.981560] BTRFS error (device sda3): tree block 342685007872 owner
>> 7 already locked by pid=8099, extent tree corruption detected
>
> This line explains itself.
>
> Your extent tree is no corrupted, thus it allocated a new tree block

I missed the "w" for the word "now"...

> which is in fact already hold by other tree.
>
> This means your metadata is no longer protected properly by COW.
>
> "btrfs check" is highly recommended to expose the root cause.
>
>>
>> root@rx1 ~ # btrfs fi show
>> Label: none  uuid: 21306973-6bf3-4877-9543-633d472dcb46
>>      Total devices 1 FS bytes used 189.12GiB
>>      devid    1 size 319.00GiB used 199.08GiB path /dev/sda3
>>
>> root@rx1 ~ # btrfs fi df /
>> Data, single: total=194.89GiB, used=187.46GiB
>> System, single: total=32.00MiB, used=48.00KiB
>> Metadata, single: total=4.16GiB, used=1.65GiB
>> GlobalReserve, single: total=380.45MiB, used=0.00B
>>
>> root@rx1 ~ # btrfs --version
>>                                                 :(
>> btrfs-progs v4.20.1
>>
>>
>> root@rx1 ~ # uname -a
>> Linux rx1 4.19.0-17-amd64 #1 SMP Debian 4.19.194-3 (2021-07-18) x86_64
>> GNU/Linux
>
> This is a little old for btrfs, but I don't think that's the cause.
>
> Thanks,
> Qu
>
>>
>> Hope someone can help.
>> Regrads
>> Mia
>>